US 11,701,893 B2
System for advanced protection of consumable or detachable elements
Damien Bonneton, Hostun (FR)
Assigned to Dover Europe Sàrl, Vernier (CH)
Filed by Dover Europe Sàrl, Vernier (CH)
Filed on Nov. 20, 2020, as Appl. No. 16/953,675.
Application 16/953,675 is a continuation of application No. 16/567,413, filed on Sep. 11, 2019, granted, now 10,933,646.
Application 16/567,413 is a continuation of application No. 16/038,552, filed on Jul. 18, 2018, granted, now 10,449,774, issued on Oct. 22, 2019.
Application 16/038,552 is a continuation of application No. 15/549,195, granted, now 10,052,878, issued on Aug. 21, 2018, previously published as PCT/EP2016/052637, filed on Feb. 8, 2016.
Claims priority of application No. 15 50958 (FR), filed on Feb. 6, 2015.
Prior Publication US 2021/0070058 A1, Mar. 11, 2021
Int. Cl. B41J 2/175 (2006.01); G06F 21/12 (2013.01); G06F 21/44 (2013.01); G06F 21/60 (2013.01); G06F 21/62 (2013.01); G03G 15/08 (2006.01); G03G 21/16 (2006.01); H04L 9/08 (2006.01); H04L 9/32 (2006.01); G05B 1/03 (2006.01); G06F 21/30 (2013.01); G06F 21/45 (2013.01); G06F 21/57 (2013.01); G06F 21/71 (2013.01); G06F 21/72 (2013.01)
CPC B41J 2/17546 (2013.01) [G03G 15/0863 (2013.01); G03G 21/1657 (2013.01); G05B 1/03 (2013.01); G06F 21/12 (2013.01); G06F 21/123 (2013.01); G06F 21/30 (2013.01); G06F 21/44 (2013.01); G06F 21/445 (2013.01); G06F 21/45 (2013.01); G06F 21/572 (2013.01); G06F 21/60 (2013.01); G06F 21/606 (2013.01); G06F 21/608 (2013.01); G06F 21/62 (2013.01); G06F 21/6218 (2013.01); G06F 21/71 (2013.01); G06F 21/72 (2013.01); H04L 9/0819 (2013.01); H04L 9/3271 (2013.01); G06F 2221/2107 (2013.01); G06F 2221/2115 (2013.01); G06F 2221/2129 (2013.01); G06F 2221/2149 (2013.01); H04L 2209/805 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A consumable or detachable element for a continuous inkjet printer, (CIJ), comprising:
a circuit configured to implement an authentication process with said printer before using said consumable or detachable element with said printer, and to implement a 1st encryption algorithm and a 1st key, termed the secret key;
a memory storing at least one item of data; and
an interface to exchange data with said printer.